资料来源 : pyDict

水息虫水息虫的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Hydroid \Hy"droid\, a. [Hydra + -oid.] (Zo["o]l.)
   Related to, or resembling, the hydra; of or pertaining to the
   Hydroidea. -- n. One of the Hydroideas.

资料来源 : WordNet®

hydroid
     n : colonial coelenterates having the polyp phase dominant [syn:
          {hydrozoan}]